This database contains 60,000 images with memorability scores. The images come from a variety of datasets including SUN, COCO, image popularity, AVA, and several saliency and image emotion datasets.

The detailed analysis of the correlation of memorability with a variety of these attributes is available in the paper:
Understanding and Predicting Image Memorability at a Large Scale
A. Khosla, A. S. Raju, A. Torralba and A. Oliva
International Conference on Computer Vision (ICCV), 2015